This Geometry Nodes-powered add-on will allow you to create a finished building in minutes.
The plug-in includes five asset packs (makeshift building style, wooden style, half-timbered style, Swedish cottage style, and pueblo architecture style) that will allow you to pick an architectural style for your buildings and customize them to your heart's content by making the walls more random, toggling support beams in the corners, selecting the paint color for different elements, and more.
Here's an explanation video shared by the artist that will help you to get started with the add-on:
You can learn more and purchase the add-on for $7 here.